Mazda 3 gt sport edition mhev auto vs Mazda 6: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Mazda 3 gt sport edition mhev auto
92%
MOT pass rate · 46 vehicles
Mazda 6
75%
MOT pass rate · 159,403 vehicles
Verdict: On MOT pass rate the Mazda 3 gt sport edition mhev auto (92%) and Mazda 6 (75%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Mazda 3 gt sport edition mhev auto | Mazda 6 |
|---|---|---|
| MOT pass rate | 92% ✓ | 75% |
| MOT failure rate | 8% ✓ | 25% |
| Faults & advisories per test | 0.9 ✓ | 1.9 |
| Dangerous-fault share | 8% | 2% ✓ |
| Average mileage | 22,948 mi | 113,866 mi |
| Sample size (vehicles) | 46 | 159,403 |
Most common faults
Mazda 3 gt sport edition mhev auto
- Offside Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
- Nearside Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Front Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i))
Mazda 6
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Rear Brake pad(s) wearing thin (3.5.1g)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Under-trays fitted obscuring some underside components
Reliability FAQ
On MOT pass rate the Mazda 3 gt sport edition mhev auto (92%) and Mazda 6 (75%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mazda 3 gt sport edition mhev auto report Full Mazda 6 report Most reliable cars
Pass rates are computed over completed (pass/fail) MOT tests. Reliability also depends on age, mileage and upkeep — see each model's page for the full picture.